<html>
    <head>
        <link rel="stylesheet" href="styles.css">
    </head>
    <body>
        <h1>HTML works</h1>
        <script src="script.js"></script>
        <script src="immutable/library-1.0.0.min.js"></script>
        <h2 class="css-test"></h2>
    </body>
</html>
